Inverted fan enclosure



FIG. 1 is a bottom perspective view of an ornament design for an inverted fan enclosure;

FIG. 2 is a top perspective view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a bottom view thereof; and,

FIG. 5 is a side view thereof.

The broken lines illustrate environmental structure that forms no part of the claimed design. 

CLAIM The ornamental design for an inverted fan enclosure, as shown and described. 